Learning Object
Learning Object image

Distance Fallen vs. Stain Diameter (Screencast)

Author: Daniel Feucht
Subject: Law, Public Safety, Corrections & Security
Source: Wisc-Online
Creative Commons Attribution-NonCommercial Image


Learners observe how a blood drop in flight continually accelerates and increases in velocity over time. As the drop falls, resistance accumulates. The increase in stain diameter relative to distance of a typical 50 ml drop of blood is represented here. This activity has audio content.

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